updating ID length in response_helper

Author: antonslutskyms

src/nat/front_ends/fastapi/response_helpers.py

@@ -232,7 +232,7 @@ async def generate_responses_api_streaming(
 
     _logger = logging.getLogger(__name__)
 
-    response_id = f"resp_{uuid_module.uuid4().hex}{uuid_module.uuid4().hex}"[:50]
+    response_id = f"resp_{uuid_module.uuid4().hex}{uuid_module.uuid4().hex}"[:55]
     message_id = f"msg_{uuid_module.uuid4().hex[:24]}"
     output_index = 0
     content_index = 0